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JPL Small-Body Database Browser
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393504 (2002 RC139)
Classification: Mars-crossing Asteroid          SPK-ID: 2393504
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2318622186042074 1.5267e-07  
a 2.152776297020063 1.6488e-08 au
q 1.653628808634441 3.178e-07 au
i 7.35443312594821 1.3877e-05 deg
node 62.8978925896881 4.6719e-05 deg
peri 294.0561327356841 6.3662e-05 deg
M 216.5262155585478 4.8901e-05 deg
tp 2459460.297742412058
(2021-Sep-02.79774241)
0.0001614 TDB
period 1153.710330516081
3.16
1.3255e-05
3.629e-08
d
yr
n .3120367309521825 3.5849e-09 deg/d
Q 2.651923785405685 2.0311e-08 au
  Orbit Determination Parameters
   # obs. used (total)      145  
   data-arc span      6968 days (19.08 yr)  
   first obs. used      1999-11-15  
   last obs. used      2018-12-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53288  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 11:33:13  

Additional Information
 Earth MOID = .6672 au 
 Jupiter MOID = 2.82061 au 
 T_jup = 3.658 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.0   n/a MPO472039  

393504 (2002 RC139)          Discovered 2002-Sep-10 by NEAT at Palomar
Reference: Last Updated: 2014-05-15

Alternate Designations
 2002 RC139 = 1999 VQ185 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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